 But what do I do with my old Barbie? What do you do? Here's what you do. Just take your old Barbie before it's too late and run, run, run to the toy store. Then trade it to the man with $1.50, less than half what you normally pay. And look what you get. Three bucks for a Barbie. Barbie for less than half price. $1.50 for your old Barbie. Yeah, but if you just bought one, $1.50 and trade them for the Barbie, who's new?